Management of Paprosky type three B acetabular defects by custom-made components: early results
- 66 Downloads
Our study aims at the evaluation of the recently introduced Lima Promade custom-made acetabular device for the treatment of complex acetabular Paprosky 3B defects.
Between 2016 and 2018, eight patients with major acetabular osteolysis and multiple revisions history were treated with a custom-made implant in a single centre and by a single surgeon. We assessed patients’ demographics, peri-operative data, and complications and a specific questionnaire was submitted to the surgeon after each procedure.
All the devices were correctly positioned. In two over eight cases, a post-operative dislocation occurred, where extensive soft tissue impairment was present. The questionnaire showed a good pre-operative and intra-operative experience of the surgeon.
The Promade custom-made acetabular system showed encouraging results for complex defects and the entire procedure was positively rated. Further analysis with a higher number of cases and a longer follow-up should be performed for a complete clinical and cost-effective evaluation.
KeywordsHip Revision THA Custom-made Acetabular defect Paprosky
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflicts of interest.
- 1.Australian Orthopedic Association (2017) National joint replacement registry. Annual report 2017Google Scholar
- 2.Kurtz S, Ong K, Lau E, Mowat F, Halpern M (2007) Projections of primary and revision hip and knee arthroplasty in the United States from 2005 to 2030. J Bone Joint Surg Am 89(4):780–785Google Scholar
- 7.Issack PS, Nousiainen M, Beksac B, Helfet DL, Sculco TP, Buly RL (2009) Acetabular component revision in total hip arthroplasty. Part II: management of major bone loss and pelvic discontinuity. Am J Orthop 38(11):550–556Google Scholar
- 8.Myncke I, van Schaik D, Scheerlinck T (2017) Custom-made triflanged acetabular components in the treatment of major acetabular defects. Short-term results and clinical experience. Acta Orthop Belg 83(3):341–350Google Scholar
- 9.Paprosky WG, Magnus RE (1994) Principles of bone grafting in revision total hip arthroplasty. Acetabular technique. Clin Orthop Relat Res 298:147–155Google Scholar
- 17.Dammerer D, Putzer D, Glodny B, Petersen J, Arrich F, Krismer M, Biedermann R (2018) Occult intra-operative periprosthetic fractures of the acetabulum may affect implant survival. Int Orthop. https://doi.org/10.1007/s00264-018-4084-7
- 27.Aprato A, D’Amelio A, Marra F, Favuto MM, Mellano D, Massè A (2017) 3D customizing in revision hip replacement. In: Aprato A (ed) 3d applications in hip surgery, 1st edn. Nova biomedical, New York, pp 162–163Google Scholar